Safe And Unsafe Aquarium Rocks | My Aquarium Club

Gravel and stones are popular choices for freshwater tanks. They create a natural look for the tank and they are easy to clean. They are a better alternative to colored glass pebbles which, however pretty, are not always the best choice for a large fish tank. Glass pebbles aren't necessarily bad for your fish, they simply do not provide as much surface area for good bacteria to colonize. You need good bacteria to keep the nitrogen levels in your tank in check. Glass pebbles over time will break down, as is natural, and gravel will erode as well. However, the glass pebbles will have sharper edges whereas the gravel will just become finer. Glass pebbles are pretty, but they are just for show. It would not be harmful to have a few of them scattered throughout the bottom of the tank, as they will add some color. Just be sure to change them out once they begin to show signs of wearing down.

226 items - Find cheap stones for fish tanks for free shipping, worldwide delivery.

I love "walkways" in fish tanks and I know we're doing sand so I'm going to buy some beautiful, flat, smooth stones for a walkway but a bridge over it would be insanely beautiful

Safe & unsafe crystals & simi-precious stones in ..

295 items - DHgate is the best place to make a comparison for aquarium stones fish tanks @adam sounds like your tank is around 5 gallons. I would personally add a small airstone with a small air pump. You can get one from the store or online that is for 10 gallon and smaller tanks and that would work just fine for your fish. It's better to have the airstone than to not.

EcoBio-Block EcoBio-Stone | Petco

Choosing whether to add substrate to your aquarium or stick with the bare tank ultimately rests on you. Most aquariums will survive either way but one choice may be more successful than others. In our store, we have both bare-bottom tanks and tanks with substrate among our display tanks as well as the tanks we sell fish out of. Stocking these tanks is determined by the needs of the fish and the care that they need. Generally, coral-only reef tanks can go bare, planted freshwater tanks can’t; freshwater fish-only tanks might not need it but saltwater fish-only tanks (or fish-only with live rock) will do better with it. If you can’t decide which way will be more successful for you, we’d be happy to help you make the best decision for you and the success of your aquarium.

Types of Fish Tank Rocks | The Aquarium Guide


Developed specifically for maintaining a healthy aquatic ecosystem, the EcoBio-Block EcoBio Stone is an effective and beneficial tool in minimizing aquarium maintenance. Easy to use, these EcoBio-Block Stones are made from volcanic rocks and cement and serve as an effective aquarium cloudy water fix. They contain live beneficial bacteria that live and multiply in these stones in addition to nutrients that help to create and promote a healthy ecosystem and aquatic habitat. Serving as a great source of beneficial bacteria for aquarium water, these stones contain bacteria that begin to propagate upon immersion in freshwater or salt water and disperse about every 30 minutes into the aquarium. As the bacteria colonize, they feed on organic waste, breaking down the waste into ammonia and then into nitrates, which eventually break down into nitrogen gas through interaction with anaerobic bacteria in the tank, dissipating into the air. This process clarifies and revitalizes cloudy water, eliminates odors and creates a healthy and safe environment for fish and other aquatic life. In addition, this volcanic rock leeches essential calcium and trace minerals back into the water. This process, which occurs in nature, reduces the need for maintenance and water changes by continually keeping a sufficient number of bacteria in the tank to create a perfect ecosystem. Great for starting new tanks, as it speeds up the nitrogen cycle. Lasts for 1.5 to 2 years.